Update Cargo to 0.2 (again), and update README

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bottom"
-version = "0.1.2-alpha.0"
+version = "0.2.0"
 authors = ["Clement Tsang <clementjhtsang@gmail.com>"]
 edition = "2018"
 repository = "https://github.com/ClementTsang/bottom"
@@ -31,7 +31,7 @@ heim = "0.0.9"
 log = "0.4"
 regex = "1.3.1"
 sysinfo = "0.9" #0.9 seems to be the last working version for my Ryzen PC...
-tokio = "0.2.6"
+tokio = "0.2.9"
 winapi = "0.3"
 tui = {version = "0.8", features = ["crossterm"], default-features = false }
 lazy_static = "1.4"

README.md

@@ -37,6 +37,8 @@ The compatibility of each widget and operating systems are, as of version 0.1.0,
 
 ## Usage
 
+Run using `btm`.
+
 ### Command line options
 
 - `-h`, `--help` shows the help screen and exits.